package cn.fx.pay.utils;

import cn.fx.pay.constants.AlipayConfig;
import cn.fx.pay.domain.AlipayInfo;
import cn.fx.pay.domain.PayBill;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import lombok.Data;

/**
 * 支付宝支付请求
 */
@Data
public class AliPayUtils {

    /**
     *
     * @param info: 阿里支付表信息
     * @param bill: 支付单信息
     * @return
     */
    public static String pay(AlipayInfo info, PayBill bill) {
        try {
            //获得初始化的AlipayClient
            AlipayClient alipayClient = new DefaultAlipayClient(
                    AlipayConfig.gatewayUrl,
                    info.getAppid(),
                    info.getMerchant_private_key(),
                    "json",
                    AlipayConfig.charset,
                    info.getAlipay_public_key(),
                    AlipayConfig.sign_type);

            //设置请求参数
            AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
            alipayRequest.setReturnUrl(AlipayConfig.return_url);
            alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

            //商户订单号，商户网站订单系统中唯一订单号，必填
            String out_trade_no = new String(bill.getUnionPaySn());
            //付款金额，必填
            String total_amount = new String(bill.getMoney().toString());
            //订单名称，必填
            String subject = new String(bill.getDigest());
            //商品描述，可空
            String body = new String(bill.getDigest());

            alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                    + "\"total_amount\":\"" + total_amount + "\","
                    + "\"subject\":\"" + subject + "\","
                    + "\"body\":\"" + body + "\","
                    + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

            //请求后进行输出
            return alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            throw new RuntimeException(e);
        }
    }
}
